National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-1758 Detail

Current Description

The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automatic ticket renewal and offline authentication are configured, uses a pathname string as a password, which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 3.7 LOW
Vector: (AV:L/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 1.9


Access Vector (AV): Local
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.fedorahosted.org/git/?p=sssd.git;a=commit;h=fffdae81651b460f3d2c119c56d5caa09b4de42a Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html
http://openwall.com/lists/oss-security/2011/04/29/4 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=700867 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=700891
https://fedorahosted.org/pipermail/sssd-devel/2011-April/006138.html Patch
https://fedorahosted.org/sssd/ticket/856 Patch
https://fedorahosted.org/sssd/wiki/Releases/Notes-1.5.7

Technical Details

Vulnerability Type (View All)

  • Improper Authentication (CWE-287)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:fedoraproject:sssd:1.5.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:fedoraproject:sssd:1.5.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:fedoraproject:sssd:1.5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:fedoraproject:sssd:1.5.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:fedoraproject:sssd:1.5.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:fedoraproject:sssd:1.5.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:fedoraproject:sssd:1.5.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:fedoraproject:sssd:1.5.6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-1758
NVD Published Date:
05/26/2011
NVD Last Modified:
05/27/2011